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Describe carry look-ahead adder?
Ans: The input carry required by a stage is directly computed from carry signals obtained from all of the preceding stages i-1,i-2,.....0, rather than waiting for usual carries to supply slowly from stage to stage. An adder which is uses this principle is a called carry look-ahead adder.
What are the major features of Booth's algorithm?
Ans: 1) It gain some efficiency in the number of addition required when the multiplier has a few large blocks of 1s.
2) ) It handles positive and negative both multipliers uniformly.
What is the technique to speed up the multiplication process?
Ans: There are basically 2 techniques to speed up the multiplication process:
a) The first technique guarantees that the maximum number of summands that have to
be added is n/2 for n-bit operands.
b) The second technique reduces the time required to add the summands.
What are the advantages of Public Key Cryptography? Advantages of Public Key Cryptography are illustrated in below: a) Increased convenience and security and b) Electro
What is virtual memory? Method that automatically move program and datablocks into the physical main memory when they are needed for execution are known as virtual memory.
Write a PERL script which takes a file named input.txt as an input and processes it. The input file has the following format: firstname lastname: pass/fail score%. A sample input f
Kirc hoff's Voltage Law The sum of all the voltage drops around a closed circuit loop will add to zero V1+(-V2)+(-V3)+(-V4)= 0
State the criteria which a trusted publisher should meet before adding him? Ans) The following criteria should be met by the publisher before adding him to the list. ? The
Define dynamic linking. Dynamic linking is same to dynamic loading, rather that loading being postponed unless execution time, linking is postponed. This feature is usually us
Q. Explain about Two-pass assembler? Assemblers usually make two or more passes through a source program in order to resolve forward references in a program. A forward referenc
Explain in detail companding. Companding: It is the process of compressing and expanding. This includes compressing the signal at the transmitter and expanding this at the re
The "blocking factor" of a file is? Ans. The number of logical records in single physical record is called the "blocking factor" of a file.
All SAP Databases are Relational Databases is the all sap databases.
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